<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
    <style type="text/css">
        body {
            text-align: center;
        }
        #small {
            margin-top: 150px;
        }
        #showBig {
            position: absolute;
            display: none;
        }
    </style>
    <script type="text/javascript" src="jquery-1.7.2.js"></script>
    <script type="text/javascript">
        $(function(){
            $("#small").bind("mouseover mouseout mousemove",function (event) {
                if (event.type == "mouseover") {
                    $("#showBig").show();
                } else if (event.type == "mousemove") {
                    console.log(event);
                    $("#showBig").offset({
                        left: event.pageX + 10,
                        top: event.pageY + 10
                    });
                } else if (event.type == "mouseout") {
                    $("#showBig").hide();
                }
            });
        });
    </script>
</head>
<body>
<img id="small" src="down.gif" />
<div id="showBig">
    <img src="up.gif">
</div>
</body>
</html>